@ArneBab @zimoun Nice read and discussions.
Hear hear ! https://bzg.fr/en/the-software-maintainers-pledge/
It was really UX-oriented because my experience as an Org maintainer exposed me to end users, but any maintainer creating something that others will depend on should think hard about this.
IMHO, the core difficulty is finding the right trade-off between maintaining an infrastructure (code/data/service) that legally provides no warranty, and the de facto expectations that users have of your code/data/service.